Tool holder



FIG. 1 is a perspective view of the tool holder;

FIG. 2 is a top plan view of the tool holder;

FIG. 3 is a left side elevational view of the tool holder, the right side elevational view being a mirror image thereof;

FIG. 4 is a bottom plan view of the tool holder;

FIG. 5 is a rear elevational view of the tool holder; and,

FIG. 6 is a front elevational view of the tool holder. 

The ornamental design for a tool holder, as shown. 